{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009005},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008328","490:4900008217","490:4900010481","490:4900011692","490:4900010215","490:4900012090","490:4900007779","490:4900009929","491:4910005463","491:4910005712","490:4900008119","490:4900009628","490:4900010565","490:4900007894","490:4900009100","490:4900012099","491:4910005101","491:4910004610","490:4900008218","490:4900008109","490:4900010039","490:4900012028","490:4900010408","490:4900008665","490:4900011627"],"twin_admin_codes":[490,490,490,490,490,490,490,490,491,491,490,490,490,490,490,490,491,491,490,490,490,490,490,490,490],"twin_sims":[0.5321540211239566,0.3603227190669315,0.21982344360621353,0.20029225837757036,0.19628428418895022,0.16317804566967667,0.0990487442582057,0.08898270537243008,0.07332140437376992,0.05861643538100916,0.057117384260314555,0.05707936326613159,0.055583014474134565,0.050700385761190375,0.05036058602461663,0.045272730995053245,0.04285767349529904,0.04203571811828295,0.04011486238790224,0.03946960445371783,0.039228468922075925,0.038771445105129754,0.037194266257694196,0.03601093361598676,0.03577405592555029],"twin_dists":[0.1458788627556008,0.18556652968859985,0.2260659795128944,0.23290502194677512,0.23436435039485007,0.24730185262922819,0.2792840968056609,0.28568332767298144,0.29689334511543486,0.30934893276714276,0.3107582908116683,0.31079443175303045,0.3122328331445425,0.31716093083617675,0.31751836376324005,0.32312659648744363,0.32597567887869283,0.32697617279817737,0.329380155193659,0.3302095253237962,0.3305224075223791,0.3311199022723678,0.3332287120050825,0.33486129568806794,0.33519356437630027],"n_dims_used":45,"mean_confidence":0.8883399115668402},"coverage":{"mean_confidence":0.8883399115668402,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}